---
title: "Connect Waitwhile to fastbill - APIANT.ai"
description: "When \"New customer\" fires in Waitwhile, your agent runs \"Create Customer\" in fastbill."
canonical: "https://apiant.ai/connect/waitwhile-to-fastbill"
---

# Connect Waitwhile to fastbill

When **New customer** fires in [Waitwhile](https://apiant.ai/connections/waitwhile), your agent runs **Create Customer** in [fastbill](https://apiant.ai/connections/fastbill). Describe the whole flow and it is built, tested on every scenario and kept running.

Waitwhile **1** trigger Waitwhile **19** actions fastbill **18** actions

What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.

## What do you want Waitwhile and fastbill to do together?

Give your AI client this address.

`https://mcp.apiant.ai`

One connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.

### Set it up in your client

### Claude Code

Run this in the directory you want to work in.

`claude mcp add --transport http -s project apiant-ai https://mcp.apiant.ai`

Start Claude Code there, approve the server, and sign in in the browser page it opens.

[Claude Code guide (opens in a new tab)](https://apiant.ai/docs/mcp/claude-code)

### Claude, web and desktop

Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.

[Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp)

### Cursor

Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.

[Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp)

### Zed

Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.

[Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp)

### Codex and the ChatGPT desktop app

Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.

[Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp)

### Any other MCP client

Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.

[Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp)

Example flows

## What Waitwhile can start in fastbill

- When **New customer** in Waitwhile then **Create Customer** in fastbill
- When **New customer** in Waitwhile then **Update Customer** in fastbill

Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships.

Everything your agent can do with Waitwhile and fastbill

## Triggers and actions 1 trigger · 37 actions

- Trigger

**New customer**

Triggered when a new customer is created in Waitwhile.

- Action

**Add customer note**

Adds a note entry to a Waitwhile customer, optionally tied to a location or visit.

- Action

**Add location**

Creates a new Waitwhile location, optionally copying users, resources, services, data fields and labels from an existing location, and returns the new location record.

- Action

**Add resource**

Creates a resource, such as a staff member or room, at one or more Waitwhile locations and returns the new resource.

- Action

**Add service**

Creates a new service in Waitwhile and makes it available at the locations you choose. Returns the service that was created.

- Action

**Create Customer**

Creates a customer in Waitwhile from their name and contact details, and returns the new customer record.

- Action

**Create or Update a Visit**

Creates a new visit at a Waitwhile location, or updates an existing visit when its id is supplied, and returns the resulting visit.

- Action

**Delete a Visit**

Deletes a visit by its ID.

- Action

**Delete customer**

Deletes a Waitwhile customer by ID.

- Action

**Fetch Customer**

Returns one Waitwhile customer by id, including contact details, tags, locations, last visit information and metadata.

- Action

**Fetch Location**

Returns a single Waitwhile location, with its address, hours, contact details and settings, by its id or short name.

- Action

**Fetch Resource**

Returns one Waitwhile resource, such as a staff member or room, with its availability settings, locations and supported services.

- Action

**Fetch Service**

Returns one Waitwhile service with its name, price, duration, availability settings, hours and locations.

- Action

**Fetch Visit**

Returns a single Waitwhile visit by its id, including the customer's details, its state, timing and any custom data fields.

- Action

**Find User**

Returns up to 100 Waitwhile users whose email address starts with the text you provide.

- Action

**Find visits by criteria**

Returns the visits that match the criteria you specify, such as location, state, tag, customer, service, resource or date range.

- Action

**List booking slots**

Returns the booking slots for a location within a date range, with the capacity, booked spots and available spots of each slot.

- Action

**Search for Customer**

Returns the customers whose name, phone, email or customer identifier starts with the search text, optionally narrowed by location, visit state, tag or date range.

- Action

**Search for User**

Returns the Waitwhile users whose email address starts with the text you provide, up to 100 users.

- Action

**Update customer**

Updates an existing Waitwhile customer's name, contact details, tags, locations or metadata, and returns the updated customer.

- Action

**Add Payment for Invoice**

Adds full payment for invoice

- Action

**Add Payment for Revenue**

Adds full payment for revenue

- Action

**Create Customer**

Creates a new customer in FastBill

- Action

**Create Invoice**

Creates a new invoice

- Action

**Create Offer**

Creates a new offer in FastBill

- Action

**Create Revenue**

Creates a revenue entry

- Action

**Delete Customer**

Delete a FastBill customer by ID.

- Action

**Delete Invoice**

Delete a FastBill invoice by ID.

- Action

**Delete Offer**

Delete a FastBill offer/estimate by ID.

- Action

**Finalize Invoice**

Converts an invoice draft to a final invoice

- Action

**Get Customer**

Fetch a single FastBill customer by ID.

- Action

**Get Invoice**

Fetch a single FastBill invoice by ID.

- Action

**Get Offer**

Fetch a single FastBill offer/estimate by ID.

- Action

**Search Customer**

Search for a Customer

- Action

**Search Invoice**

Find an invoice

- Action

**Send Invoice by Email**

Send an invoice by email

- Action

**Update Customer**

Update fields on an existing FastBill customer.

- Action

**Update Invoice**

Update fields on an existing (draft) FastBill invoice.

## Each app on its own

- [ **Waitwhile** Waitwhile is a leading waitlist and scheduling service that helps you improve your lines and create a...](https://apiant.ai/connections/waitwhile)
- [ **fastbill** FastBill is a cloud app for German invoicing & accounting.](https://apiant.ai/connections/fastbill)

Reviews

## What our customers say

## More from Waitwhile

- [ **Waitwhile to Galileo** Galileo is a tool that turns text into beautiful UI designs instantly with Galileo AI—fast, smart, and ready...](https://apiant.ai/connect/waitwhile-to-galileo)
- [ **Waitwhile to Zoom** Zoom unifies cloud video conferencing, simple online meetings, group messaging, and a software-based...](https://apiant.ai/connect/waitwhile-to-zoom)
- [ **Waitwhile to Webflow** Webflow is a professional website builder and CMS for designing, building, and launching responsive...](https://apiant.ai/connect/waitwhile-to-webflow)
- [ **Waitwhile to Wix** The Wix website builder gives businesses of any size the tools to create, manage and grow a fully integrated...](https://apiant.ai/connect/waitwhile-to-wix)
- [ **Waitwhile to LinkedIn** LinkedIn is a professional networking platform enabling job seekers, companies, and thought leaders to...](https://apiant.ai/connect/waitwhile-to-linkedin)
- [ **Waitwhile to Facebook** Facebook is a social media and advertising platform used by individuals and businesses to connect, share...](https://apiant.ai/connect/waitwhile-to-facebook)

## More into fastbill

- [ **FreeAgent to fastbill** FreeAgent is cloud accounting software for small businesses and freelancers — manage contacts, invoices...](https://apiant.ai/connect/freeagent-to-fastbill)
- [ **HubSpot to fastbill** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-fastbill)
- [ **Salesforce to fastbill** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-fastbill)
- [ **Slack to fastbill** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-fastbill)
- [ **Google Sheets to fastbill** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-fastbill)
- [ **Gmail to fastbill** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-fastbill)

Questions

## Waitwhile and fastbill, answered

###

### What can start an automation from Waitwhile?

Any of Waitwhile's 1 trigger in the catalog, including New customer. Describe the moment in plain language and your agent picks the right one.

###

### What can your agent do in fastbill when something happens in Waitwhile?

Any of fastbill's 18 actions, including Create Customer, Create Invoice, Create Offer and Create Revenue. Your agent maps the data both ways and tests every scenario before it ships.

###

### Can it also run from fastbill to Waitwhile?

fastbill has no triggers in the catalog today, so automations start in Waitwhile. If you need the other direction, ask: your agent reads fastbill's API documentation and adds it.

###

### Do I have to build a connector for Waitwhile or fastbill?

No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running.

###

### Can my AI client use Waitwhile and fastbill without building an automation?

Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both.

###

### What happens when something fails?

Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.

###

### Is there a free plan?

Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.
